Home / 87,843.48-131,670.85-37,947.07

Finding the Fourth Proportional to 87,843.48, 131,670.85 and 37,947.07

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Solution

The fourth proportional to 87,843.48, 131,670.85 and 37,947.07 is: 56,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,843.48 : 131,670.85 = 37,947.07 : x
  2. Step 2: Convert to fraction form
    87,843.48/131,670.85 = 37,947.07/x
  3. Step 3: Cross multiply
    87,843.48x = 131,670.85 × 37,947.07
  4. Step 4: Simplify right side
    87,843.48x = 4,996,522,961.91
  5. Step 5: Solve for x
    x = 4,996,522,961.91/87,843.48
  6. Step 6: Final answer
    x = 56,879.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.